Image forming apparatus and brush member used in the same

Details Image forming apparatus and brush member used in the same Image forming apparatus and brush member used in the same

2006-06-30

2010-10-12

Gray, David M (Department: 2852)

Electrophotography

Image formation

Transfer

C399S303000, C399S313000

Reexamination Certificate

active

07813685

ABSTRACT:
An image forming apparatus includes an image bearing member, an endless moving member configured to receive the image thereon from the image bearing member, and a brush member that includes a fiber portion including a plurality of fibers arranged in a standing condition with respective fiber tips held in contact with an inner surface of the endless moving member. A supporting member is configured to support the fiber portion on a brush surface thereof. The brush member is configured to have a whole brush current value per unit area of the whole brush surface equal to or smaller than 2.5 μA/cm2, and one of a maximum sectional current value per unit area of a portion of the whole brush surface equal to or smaller than 22.0 μA/cm2and a ripple of brush sectional current values less than 34%.

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